Jeff Walden — Bug 1285649 - Replace an ellipsis function, whose last non-ellipsis argument was subject to integer promotions, with a variadic template function so as not to invoke C++ undefined behavior, because that would be Bad. r=froydnj

Jeff Walden — Bug 1285649 - Replace an ellipsis function, whose last non-ellipsis argument was subject to integer promotions, with a variadic template function so as not to invoke C++ undefined behavior, because that would be Bad. NOT REVIEWED YET

Phil Bystrican — Bug 1284939 - Removed definition and usage of QUIRK_FLASH_AVOID_CGMODE_CRASHES. Adjusted the bit shifts for quirk values that fell below it to keep the increment between them consistent. r=spohl

Boris Zbarsky — Bug 1280818 part 2. Change console to capture the first non-self-hosted subsumed frame when it just needs a caller location, instead of capturing the first frame and then possibly failing to get useful location info out of it because it's self-hosted. r=baku

Jonathan Kew — Bug 1270954 - When Win10 Anniversary Update APIs are available, enable automatic scaling of the non-client area when a window is on a secondary display with different DPI. r=emk, a=kwierso

Milan Sreckovic — Bug 1285328: Part 1. Make sure the first button/escape is a no-op in these dialogs, and in the potential data loss case, make the default also a no-op. Refactor some common code into preferences.js. r=jaws